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Plant Identification Vocabulary. BLADE. Widest part of leaf. PETIOLE. Stalk where blade attaches to stem. LEAF BASE. Shape of leaf where it attaches to petiole. Triangle Round Heart Straight Uneven. NODE or BUD. Point where petiole attaches to stem. BROAD LEAF. - PowerPoint PPT Presentation
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Plant Identification Vocabulary
BLADEWidest part of leaf
PETIOLEStalk where blade
attaches to stem
LEAF BASEShape of leaf where it attaches to petiole
Triangle
Round
Heart
Straight
Uneven
NODE or BUDPoint where petiole attaches to stem
BROAD LEAFRegular, deciduous leaves with a wide
blade
NARROW LEAFSlender leaves, needles or scales
LEAF ARRANGEMENT orLEAF ATTACHMENTPattern which leaves are attached to stem
Alternate
Opposite
Whorled
LEAF DIVISIONSimple OR Single leafCompound OR multiple leaflets
SIMPLE LEAF
Single Leaf
COMPOUND LEAFHaving more than one bladeMade of leaflets
LEAFLETSMany small leaves
PALMATELY COMPOUNDMade of 3 or more leaflets
In the shape of a hand
PINNATELY COMPOUNDLeaflets attached to
along a central stalk
LOBERounded projection of leaf
LEAF EDGE or LEAF MARGINEdge of leaf
Smooth (entire)
Toothed Serrate / saw toothed
Double serrate / double saw toothed
VENATIONParallel – veins run parallel to each
otherPinnate – veins run off of a single veinPalmate – veins come from a single
point like the palm of your hand